21. Lan (visit /visits/visited) Dalat last summer
22.My sister added (a few/ a little/ many) salt to the soup so it tasted good .
23.A lot of people love football .(So do I/ So am I/ Neither do I).
24. Your room is very dirty . You (should / ought / must) to clean it everyday.
25. I hate durian and I don't like cucumber (too/either / neither )
26. She is a good singer . She sings (beautiful/ beautifully / beauty)
27. we prefer (gather/ gathes / to gather ) around TV after dinner .
29. Last week , Mr. tan (goes/ went / going ) to Ho Chi Minh City for a trip
30. Liz ate noodles instead (on/ of/ at) eating fish and crabs